#_author_='DuxiangLin(linduxiang2@163.com)'
#_Date_='2016/3/15'

print('HelloWorld')

b = [1,1,1,1,1,2,2,21,1,1,1,1]

# 切片返回的是列表元素的浅拷贝
a = b
print(a is b)
print(a == b)
print(id(a))
print(id(b))

a = b[::]
print(a is b)
print(a == b)
print(id(a))
print(id(b))
